CAS RN: 57-83-0 Molecular Formula: C21H30O2 Molecular Weight: 314.47 Quality standards: CP2010/USP30 Appearance: white or almost white crystalline powder ; odorless, tasteless. Solubility: Do not dissolve in water, easily soluble in chloroform , soluble in alcohol, ether, vegetable oil. Melting point: 128 ~ 131 ℃ Specific rotation: +186 ° to +198 ° Other steroids ( related substances ) not more than 1.0% Residue on ignition not more than 0.1% Determination of content:98.0%～103.0% Uses are steroid hormones , progesterone drugs Packing 10KG / drum